I would cross Gengar with Deoxys. A super strong psychic with ultimate control over special attacks. The special attack stat would be through the roof and the ability to command all three mental types would be huge. Can you imagine? Here's what the combined stats would be (base stats, neutral nature):

Next question will be a little game.The game will be like "20 Questions", but you're guessing a pokemon instead of something random.

Rules:-Each person can ask up to 3 questions. -Each question must be a "Yes/No/I dont know" question-Each person is allowed 2 guesses.-You want to win this! So take advantage of when other people ask questions and use their answers to try and guess the pokemon.